‘Unusually’ High Tides, Building Surf Prompt Coastal Flood Advisory in SoCal Coast

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A combination of high tides and building surf prompted a coastal flood advisory in Southern California through Oct. 30, 2015. (Credit: KTLA)

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Forecasters warned that a combination of "unusually" high tides and building surf could lead to flooding along the Southern California coastline through Friday.

Tides were expected to be highest during the mid- to- late morning hours on Wednesday and Thursday, with water levels possibly ranging between 7 and 7.5 feet each day, according to the National Weather Service. The highest tides were forecast to hit south of Point Conception.

Along the Orange and San Diego county coastlines, high tides could reach near 7 feet during the late-morning hours through Friday.

A westerly swell moving through the Pacific Ocean would also bring elevated- to- high surf on west and northwest facing beaches of the southwestern part of the state, the weather service said.

Tides would be somewhat lower along the Central Coast, but forecasters predicted much larger surf -- about 8- to- 12 feet, or even higher -- in the region. In Orange County, surf heights were forecast to be between 3- to- 6 feet, with local sets of up to 7 feet possible on Thursday and Friday.

The high tides and building surf prompted the weather service to warn of a risk of a coastal flooding between Wednesday and Friday, and a coastal flood advisory was in effect for L.A., Ventura, Orange, Santa Barbara and San Diego county beaches.

The advisory was scheduled to expire Friday.

Locations prone to flooding include Long Beach, Port Hueneme, Pismo and Oceano beaches. Beach parking lots and adjacent streets were most likely to be impacted by any flooding, forecasters said.

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